diff --git a/app.py b/app.py
index ecfdf61..94e3fc1 100644
--- a/app.py
+++ b/app.py
@@ -142,6 +142,64 @@ def login():
     return redirect(url_for(session.get("main", "index_ade")))
 
 
+@app.route("/register", methods=["GET", "POST"])
+def register():
+    if request.method == "POST":
+        act = request.form.get("action")
+        match act:
+            case "create":
+                username = request.form["username"]
+                password = request.form["password"]
+                udata = db.users.find_one({"id": username})
+                if udata or not username or not password:
+                    abort(400)
+                salt = urandom(32)
+                hash = scrypt(password.encode("utf-8"), salt=salt, **SCRYPT_PARAMS)
+                db.users.insert_one(
+                    {
+                        "id": username,
+                        "hash": hash,
+                        "salt": salt,
+                        "perm": [],
+                        "quad": ["ade"],
+                    }
+                )
+            case "edit":
+                for entry in request.form:
+                    if entry.count("/") == 2:
+                        ptype, pid, uid = entry.split("/")
+                        value = request.form[entry]
+                        if ptype == "perm":
+                            cur_perms = db.users.find_one(
+                                {"_id": ObjectId(uid)}, {"perm": 1}
+                            ).get("perm", [])
+                            if value == "True":
+                                if pid not in cur_perms:
+                                    cur_perms.append(pid)
+                            else:
+                                if pid in cur_perms:
+                                    cur_perms.remove(pid)
+                            db.users.update_one(
+                                {"_id": ObjectId(uid)}, {"$set": {"perm": cur_perms}}
+                            )
+                        if ptype == "quad":
+                            cur_quads = db.users.find_one(
+                                {"_id": ObjectId(uid)}, {"quad": 1}
+                            ).get("quad", [])
+                            if value == "True":
+                                if pid not in cur_quads:
+                                    cur_quads.append(pid)
+                            else:
+                                if pid in cur_quads:
+                                    cur_quads.remove(pid)
+                            db.users.update_one(
+                                {"_id": ObjectId(uid)}, {"$set": {"quad": cur_quads}}
+                            )
+    udatas = list(db.users.find())
+    ddatas = sorted(db.domains.find({"public": False}), key=lambda ddata: ddata["id"])
+    return render_template("register.html", udatas=udatas, ddatas=ddatas)
+
+
 @app.route("/search")
 def search():
     stype = request.args.get("search-type")
@@ -347,6 +405,8 @@ def lighting():
         result[-1] = {"name": "Ungrouped", "lights": {}}
         for light in raw["lights"]:
             ldata = raw["lights"][light]
+            if not ldata["state"]["reachable"]:
+                continue
             if not ldata["state"]["on"]:
                 color = "#000000"
             elif ldata["state"].get("colormode") == "hs":
@@ -361,6 +421,6 @@ def lighting():
                     ungrouped = False
             if ungrouped:
                 result[-1]["lights"][light] = ldata
-        return render_template("lighting.html", ldata=result)
+        return render_template("lighting.html", ldatas=result)
     except requests.exceptions.ConnectionError:
         abort(500)
diff --git a/static/register.css b/static/register.css
new file mode 100644
index 0000000..646e687
--- /dev/null
+++ b/static/register.css
@@ -0,0 +1,65 @@
+th {
+    writing-mode: sideways-lr;
+}
+
+th#save-box {
+    writing-mode: inherit;
+
+    >button {
+        display: none;
+    }
+}
+
+.pgrid[data-mark=True] {
+    background-color: black;
+}
+
+.pgrid[data-changed] {
+    border: 3px solid red;
+}
+
+tr {
+    background-color: var(--color-bg2);
+}
+
+.qheader {
+    background-color: var(--color-bg1);
+    vertical-align: top;
+}
+
+#users {
+    background-color: inherit;
+}
+
+#qh-ade,
+.quad-ade {
+    --hue: var(--ade);
+}
+
+#qh-bea,
+.quad-bea {
+    --hue: var(--bea);
+}
+
+#qh-cam,
+.quad-cam {
+    --hue: var(--cam);
+}
+
+#qh-des,
+.quad-des {
+    --hue: var(--des);
+}
+
+#useradd {
+    display: flex;
+    flex-direction: row;
+    flex-wrap: wrap;
+    gap: 1em;
+    align-items: end;
+    justify-content: center;
+
+    >div>label {
+        display: block;
+    }
+}
\ No newline at end of file
diff --git a/static/register.js b/static/register.js
new file mode 100644
index 0000000..03dca84
--- /dev/null
+++ b/static/register.js
@@ -0,0 +1,16 @@
+function getFirst(item, className) {
+    return item.getElementsByClassName(className)[0]
+}
+
+var saveBtn = document.getElementById("save-btn");
+
+for (chk of document.getElementsByClassName("pgrid")) {
+    chk.onclick = (event) => {
+        console.log(event.target)
+        event.target.dataset.mark = event.target.dataset.mark == "True" ? "False" : "True"
+        event.target.children[0].name = event.target.dataset.targ;
+        event.target.children[0].value = event.target.dataset.mark;
+        event.target.dataset.changed = true;
+        saveBtn.style.display = "block";
+    }
+}
\ No newline at end of file
diff --git a/templates/lighting.html b/templates/lighting.html
index 6364e0e..3c35947 100644
--- a/templates/lighting.html
+++ b/templates/lighting.html
@@ -8,14 +8,14 @@
 
 {% block content %}
 <main>
-    {% for group in ldata %}
-    {% if ldata[group]["lights"] %}
+    {% for group in ldatas %}
+    {% if ldatas[group]["lights"] %}
     <div class="group">
-        <h2>{{ ldata[group]["name"] }}</h2>
+        <h2>{{ ldatas[group]["name"] }}</h2>
         <div>
-            {% for light in ldata[group]["lights"] %}
+            {% for light in ldatas[group]["lights"] %}
             <form method="post" class="light">
-                {% set ldata = ldata[group]["lights"][light] %}
+                {% set ldata = ldatas[group]["lights"][light] %}
                 <h3>{{ ldata["name"] }}</h3>
                 <div class="view">
                     <div class="view-symb">
diff --git a/templates/register.html b/templates/register.html
new file mode 100644
index 0000000..7993c97
--- /dev/null
+++ b/templates/register.html
@@ -0,0 +1,61 @@
+{% extends "base.html" %}
+
+{% block head %}
+<link rel="stylesheet" href="{{ url_for('static', filename='register.css') }}">
+<script src="{{ url_for('static', filename='register.js') }}" defer></script>
+{% endblock %}
+
+{% block content %}
+<main>
+    <form method="post">
+        <table>
+            <tr id="users">
+                <th id="save-box"><button id="save-btn" type="submit" name="action" value="edit">SAVE CHANGES</button>
+                </th>
+                {% for udata in udatas %}
+                <th>{{ udata["id"] }}</th>
+                {% endfor %}
+            </tr>
+            {% set quads = ["ade", "bea", "cam", "des"] %}
+            {% for quad in quads %}
+            <tr id="qh-{{ quad }}" class="qheader">
+                <td>
+                    <h2>{{ quad }}</h2>
+                </td>
+                {% for udata in udatas %}
+                <td class="pgrid" data-targ="quad/{{ quad }}/{{ udata['_id'] }}"
+                    data-mark="{{ quad in udata['quad'] }}">
+                    <input type="hidden">
+                </td>
+                {% endfor %}
+            </tr>
+            {% for ddata in ddatas %}
+            {% if ddata["quad"] == quad %}
+            <tr class="quad-{{ quad }}">
+                <td>{{ ddata["name"] }} ({{ ddata["id"] }})</td>
+                {% for udata in udatas %}
+                <td class="pgrid" data-targ="perm/{{ ddata['id'] }}/{{ udata['_id'] }}" data-mark="{{ ddata['id'] in
+                        udata['perm'] }}">
+                    <input type="hidden">
+                </td>
+                {% endfor %}
+            </tr>
+            {% endif %}
+            {% endfor %}
+            {% endfor %}
+        </table>
+    </form>
+    <hr>
+    <form id="useradd" method="post">
+        <div>
+            <label for="username">Username:</label>
+            <input id="username" name="username" autocomplete="username">
+        </div>
+        <div>
+            <label for="password">Password:</label>
+            <input type="password" id="password" name="password" autocomplete="new-password">
+        </div>
+        <button type="submit" name="action" value="create">Create User</button>
+    </form>
+</main>
+{% endblock %}
\ No newline at end of file